package server.main.utils.mainutils;
import org.json.JSONException;
import org.json.JSONObject;




public class test {


    public static void main(String[] args) throws JSONException {



        JSONObject jsonObject = new JSONObject();
        String name = "1";
        jsonObject.put(name,"");
        Object opt = jsonObject.opt(name);
        System.out.println(jsonObject.opt(name));
        System.out.println(jsonObject.toString());
        jsonObject.put(name,"2");
        System.out.println(jsonObject.toString());
    }

}
